This is where, IMHO, an accelerometer shines over MC PSI sensed
All that is being discussed is due to the fact that MC PSI does NOT build till the
TV pedal travels to move the MC piston...then PSI builds as that piston travels
farther
The pre-set or gain is the minimum starting voltage once the controller is told
to turn on the trailer brakes
With MC PSI sensed, the brake controller will then look to the PSI sensor for
further input as to how much voltage to send to the trailer brakes
With accelerometer sensed, the brake controller will look to the accelerometer for
input as to how much voltage to send to the trailer brakes. Since it has turned
on...there is deceleration and will continue to provide voltage to the trailer
brakes...even though the TV brake pedal has stopped moving...so no MC PSI is
developed...or if the pedal continues to move the MC piston...MC PSI is developed
and the TV brakes are now in the game to further decelerate and the accelerometer
will increase the trailer brake voltage
So to you folks with the IBC, think your trailer brake system varies greatly
From how tight the shoes are adjusted, how much friction material there is left
on the shoe, bedding in or not, magnet condition (stock, over sized, etc), wiring
(gauge, connection(s), routing, etc) and etc. I re-adjust the trailer
brakes several times during all my trips...just to keep them tight
Anyone know if these IBC's sense the TV brake pedal switch? Am wondering how
the OEMs get the trailer brakes to lead the TV brakes.
Guessing it can range from sensing throttle release to move the foot over to
the brake pedal (get ready for braking)...to sensing the brake pedal switch
Braking is more important to me than 'go' power on all of my vehicles...including
the 2 seater rocket
